Professional HygroThermometer Psychrometers [RH390]

Highest 2% RH accuracy with fast 30 seconds Response Time

Measure humidity and temperature simultaneously with the RH390 Precision Psychrometer from Extech. A dual-illuminated readout can be alternated to display wet bulb and humidity, or dew point and humidity, or temperature and humidity. This handheld device registers temperatures from -22 degrees to 199 degrees F (-30 degrees to 100 degrees C) and measures the full spectrum of relative humidity with ±2% accuracy between 20 and 90% RH. Complete with carrying case and 9V battery.

Key points:

• Fast Response Time (<30 Seconds)
• Dual Backlit Display
• Simultaneous Display Of: Humidity/Temperature, Humidity/Dew Point Or Humidity/Wet Bulb
• Data Hold And Min/Max Functions